| 不同粘土矿物材料对Zn2+的吸附特征 |
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| 引用本文： | 王宜鑫,赵斌,汤炎,陈小峰,钱晓晴,封克. 不同粘土矿物材料对Zn2+的吸附特征[J]. 矿产综合利用, 2006, 0(6): 27-30 |
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| 作者姓名： | 王宜鑫 赵斌 汤炎 陈小峰 钱晓晴 封克 |
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| 作者单位： | 扬州大学环境材料与环境工程省重点实验室,江苏,扬州,225009;扬州大学环境材料与环境工程省重点实验室,江苏,扬州,225009;扬州大学环境材料与环境工程省重点实验室,江苏,扬州,225009;扬州大学环境材料与环境工程省重点实验室,江苏,扬州,225009;扬州大学环境材料与环境工程省重点实验室,江苏,扬州,225009;扬州大学环境材料与环境工程省重点实验室,江苏,扬州,225009 |
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| 摘 要： | 探讨了在不同矿物投加量、不同振荡时间、不同Zn2+浓度、不同矿物颗粒细度和不同pH条件下,钠基膨润土、膨胀蛭石和沸石三种粘土矿物对Zn2+的吸附效果,并比较了三种粘土矿物对Zn2+的吸附差异性。结果表明:对于具有可膨胀层间的粘土矿物而言,其对溶液中Zn2+的吸附量并不仅由阳离子交换量所决定;Zn2+在矿物表面的吸附过程非常迅速,在10m in内即可达最大值;粘土矿物不同颗粒细度对Zn2+的去除率有所不同,但并非颗粒越细吸附量越大;其吸附效果依次为钠基膨润土>膨胀蛭石>沸石。
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| 关 键 词： | 粘土矿物 Zn2+ 吸附 |
| 文章编号： | 1000-6532（2006）06-0027-04 |
| 收稿时间： | 2006-02-10 |
| 修稿时间： | 2006-02-10 |
Adsorption Characteristics of Zn2+ on Different Clay Minerals |
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| WANG Yi-xin,ZHAO Bin,TANG Yan,CHEN Xiao-feng,QIAN Xiao-qing,FENG Ke. Adsorption Characteristics of Zn2+ on Different Clay Minerals[J]. Multipurpose Utilization of Mineral Resources, 2006, 0(6): 27-30 |
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| Authors: | WANG Yi-xin ZHAO Bin TANG Yan CHEN Xiao-feng QIAN Xiao-qing FENG Ke |
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| Affiliation: | Yangzhou University, Yangzhou, Jiangsu, China |
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| Abstract: | In this paper,the adsorption effect of Zn~(2 ) by three clay minerals,i.e.Na-bentonite,expanded vermiculite and zeolite,was researched in different conditions such as the amounts of mineral,shaking time,concentration of Zn~(2 ),granularity of mineral,and pH of soution.And adsorption capacities of the minerals for Zn~(2 ) were compared.The results indicated that adsorbed Zn~(2 ) guantity by expanded clay mineral is not only dependent on CEC of the mineral,but adsorption of Zn~(2 ) on clay mineral surface is a rapid process,maximum adsorption quantity appears in ten minutes,In this paper,the adsorption effect of Zn~(2 ) by three clay minerals has following order:Na-bentonite>expanded vermiculite>zeolite. |
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| Keywords: | Clay mineral Zn~(2 ) Adsorption |
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